Turpentine substitute



Patented Feb. 12, 1924.

units!) STATES PATENT OFFICE.

KARL MARX, OF DESSAU, GERMANY, ASSIGNOR TO THE FIRM TETRALIN GESELL-SCHAFT MIT BESCHRANKTER HAJETUNG, OF BERLIN, GERMANY.

TURPENTINE SUBSTITUTE.

No Drawing.

To, all whom it may concern:

Be it known that I, KARL MARX, a citizen of the Republic of Germany,residing at Dessau, Germany, have invented certain new and usefulImprovements in Turpentine Substitutes, of which the following is aspecification.

My invention relates to a substitute for oil of turpentine andparticularly to a sunstitute suitable for use in shoe polishes orpastes. In a large number of industries oil of turpentine has been usedto a great extent as a solvent or diluent. For example, it has been usedfor this purpose in the preparation of oil colors, colorings for shoeleather, shoe polishes, shoe glazes, etc. Similarly it has een used invery largequantities in the preparation of shoe pastes. Varioussubstitutes have been sought in place of turpentine for this class ofproducts, es ecially in view of its present high price an scarcity. i

I have now discovered that fluid hydrogenated naphthalene isparticularly well adapted for-use as a solvent or diluent in themanufacture of many products in which oil of turpentine has hithertobeen employed. Thus, a shoe paste can be made by partially or whollysubstitutin 1.2.3.4-tetrahydronaphthalene for the 01] of turpentinehitherto used, and the said product ossesses valuable differentiatingcharacteristics. For

example, such new shoe paste has the novel merit that no oxidationaction or acidification takes place,a characteristic which is veryvaluable as it protects the leather from Application fileul August 2,1921. Serial No. 489,257.

becoming hard, as it does ordinarily as a result of the oxidation of oilof turpentine.

Similarly, oil colors can be made in which, in place of the usualmixture of eighty (80) parts linseed oil and twenty (20) partsturpentine oil, is substituted a mixture of a like quantity of linseedoil and a similar quantity of tetrahydronaphthalene (instead ofturpentine oil). Into this mixture is worked, as usual, any suitablecoloring material, such as permanent red B. extra, together with bariumsulphate or White zinc. An oil color so made may be used'in the samemanner as the usual article, and its dr ing qualities are as good asthose of the 011 colors hitherto use A liquid shoe polish is readilyprepared by dissolving say forty (40) parts colophon y in say onehundred (100) parts tetrahydronaphthalene.

In place of 12.3.4-tetrahydronaphthalene may be substituted other fluidhydrogenated naphthaleneshavlng similar solvent properties.

I claim- 1. A roduct comprising hydrogenated naphtha ene as a solvent ordiluent.

2. A product comprising a mixture of turpentine and hydrogenatedhapthalene as a solvent or diluent.

.3. As a new industrial product, coloring inaterial comprisinghydrogenated naphthaone.

In testimony whereof I have signed my name to this specification.

KARL MARX.

